Drying box for 3D printing filaments



FIG. 1 is a perspective view of a drying box for 3D printing filaments showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown on the drawings depict portions of the drying box for 3D printing filaments that form no part of the claimed design. 

CLAIM The ornamental design for a drying box for 3D printing filaments, as shown and described. 